function getRandomColor() {
    const rgb = []
    for (let i = 0; i < 3; ++i) {
      let color = Math.floor(Math.random() * 256).toString(16)
      color = color.length === 1 ? '0' + color : color
      rgb.push(color)
    }
    return '#' + rgb.join('')
  }
  
  Page({
    onShareAppMessage() {
      return {
        title: 'video',
        path: 'page/component/pages/video/video'
      }
    },
  
    onReady() {
      this.videoContext = wx.createVideoContext('myVideo')
    },
  
    onHide() {
  
    },
  
    inputValue: '',
    data: {
      src: '',
      danmuList:
      [{
        text: '第 1s 出现的弹幕',
        color: '#ff0000',
        time: 1
      }, {
        text: '第 3s 出现的弹幕',
        color: '#ff00ff',
        time: 3
      }],
    },
  
    bindInputBlur(e) {
      this.inputValue = e.detail.value
    },
  
    bindButtonTap() {
      const that = this
      wx.chooseVideo({
        sourceType: ['album', 'camera'],
        maxDuration: 60,
        camera: ['front', 'back'],
        success(res) {
          that.setData({
            src: res.tempFilePath
          })
        }
      })
    },
  
    bindVideoEnterPictureInPicture() {
      console.log('进入小窗模式')
    },
  
    bindVideoLeavePictureInPicture() {
      console.log('退出小窗模式')
    },
  
    bindPlayVideo() {
      console.log('1')
      this.videoContext.play()
    },
    bindSendDanmu() {
      this.videoContext.sendDanmu({
        text: this.inputValue,
        color: getRandomColor()
      })
    },
  
    videoErrorCallback(e) {
      console.log('视频错误信息:')
      console.log(e.detail.errMsg)
    }
  })